Castellane, Col de Bleine, and Col Saint-Barnabé Loop

This route is considered a moderate to hard climb, requiring good to very good fitness levels. One approach from Pont du Loup covers 28.9 km with an elevation gain of 1238 meters, averaging a 4.28% gradient. The initial kilometers of the climb are often the most demanding.

You can expect mostly well-paved surfaces, with generally good quality tarmac, though some sections might be rough. The route features forested areas, numerous switchbacks, and passes through dramatic gorges like the Clue de Greolieres, which includes tunnels, and the scenic Clue Auban. Roads often wind along or are cut into rockfaces.

The route offers stunning panoramic views of both the sea and the mountains. While the immediate summit of the Col de Bleine is forested, you'll find excellent views of the Mercantour Park to the north. The landscape is rich with limestone cliffs, dense forested slopes, olive-green vegetation, and striking ochre and white rock formations. Keep an eye out for the 'James Bond Descent' near Gréolières, named for its appearance in the movie GoldenEye.

Specific parking information for the Col de Bleine route isn't detailed, but starting points for routes in the Regional Natural Park of the Prealps of Azur often have parking available in nearby villages or at the base of climbs. For instance, routes often begin from towns like Castellane or Pont du Loup.

Generally, there are no specific permits or entrance fees required for cycling on public roads within the Regional Natural Park of the Prealps of Azur. However, always respect local regulations and private property signage.

The best time to cycle this route is typically from spring through autumn. The area can experience snow in winter, making cycling challenging or impossible on higher sections. The mild climate of the Prealps of Azur generally offers pleasant conditions outside of the coldest months.

Yes, you can find cafes and accommodation in the villages and towns surrounding the route, such as Castellane or other settlements within the Regional Natural Park of the Prealps of Azur. These places offer opportunities to refuel and rest.

Given its 'difficult' rating and significant elevation gain, the full Col de Bleine route is not generally recommended for beginners or young families. However, the broader Regional Natural Park of the Prealps of Azur may offer shorter, less strenuous cycling options suitable for a more relaxed experience.

This route is designed for road cycling, and while dogs are generally allowed in public spaces, it's not typically a 'dog-friendly' trail in the same way a hiking trail might be. If you plan to bring a dog, ensure they are safely secured in a trailer designed for cycling and that you adhere to all local leash laws and regulations, especially in populated areas or near wildlife.

Yes, the route is an integral part of the 'Boucles d'Azur' bicycle route, an extensive 265 km course through the Provencal Alps. It also covers sections of other official trails such as Belvédères du Verdon, Les Contreforts du Teillon, and Le 'toit' du Var.

The Col de Bleine offers a tranquil and charming cycling experience due to the general remoteness of the area, resulting in minimal traffic. You'll enjoy the serene sounds of birdsong, rustling leaves, and flowing streams, making it a peaceful escape into nature.